package com.lanou3g.ptp.api.service;

import com.lanou3g.ptp.entity.GradeRole;
import com.lanou3g.utils.PtpResult;

import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.InputStream;

public interface ApiGradeService {
    PtpResult addGrade(GradeRole gradeRole);
    PtpResult deleteById(Long id);
    PtpResult update(GradeRole gradeRole);
    InputStream findAll();
}
